gdb/arm: Fix obvious typo in b0b23e06c3a

As part of the rebase of the patch, I managed to loose the local
changes I had for the comments from Tomas in
https://sourceware.org/pipermail/gdb-patches/2022-November/193413.html
This patch corrects the obvious two typos.

Signed-off-by: Torbjörn SVENSSON <torbjorn.svensson@foss.st.com>
1 file changed